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h264: correct ref count check and limit, fix out of array accesses.

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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-11-18 16:29:04 +01:00
parent 2d5f1addbe
commit d6c184880e
1 changed files with 1 additions and 1 deletions
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libavcodec/h264.c
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@ -2935,7 +2935,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
h->ref_count[1] = get_ue_golomb(&s->gb) + 1; h->ref_count[1] = get_ue_golomb(&s->gb) + 1;
else else
// full range is spec-ok in this case, even for frames // full range is spec-ok in this case, even for frames
max[1] = 31; h->ref_count[1] = 1;
} }
if (h->ref_count[0]-1 > max[0] || h->ref_count[1]-1 > max[1]){ if (h->ref_count[0]-1 > max[0] || h->ref_count[1]-1 > max[1]){